| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hydrated hardened body containing a reinforcing bar excellent in salt damage resistance capable of being used as a structural member with a long term durability even in the ocean having a severe salt damage environment without setting any special installation. <P>SOLUTION: The hydrated hardened body containing a reinforcing bar excellent in salt damage resistance contains at least steelmaking slag and blast furnace slag fine powder, and the reinforcing bar is made of a surface-treated carbon steel. Preferably, the cover is 20 mm or more, the area ratio of the reinforcing bar to the area of the hydrated hardened body at a cross section perpendicular to the longitudinal direction of the reinforcing bar is 0.2-10%, the content of blast furnace slag fine powder in the hydrated hardened body is 100-600 kg/m<SP>3</SP>, and the hydrated hardened body contains fly ash in addition. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
